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  <div class="rect1">1、四角边框</div>

  <div class="rect2"> 2、双边框</div>

  <div class="rect3"> 3、运动虚线边框</div>

  <div class="rect4"> 4、渐变运动边框</div>

  <div class="rect5"> 5、蛇形运动边框1</div>

  <div class="rect6"> 6、蛇形运动边框2</div>

  <div class="rect7">
    <div>7、背景斜切</div>
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  <div class="rect8"> 8、会动的图片边框 </div>
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